ALLEN BRADLEY 1772 CPU

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ALLEN BRADLEY 1772 CPU Specification

Power Supply
Backplane powered

Application
PLC Automation, Process and Machine Control

Cooling Method
Natural convection

Features
Modular construction, Program memory retention, Diagnostic Indicators

Connector Type
Card edge connector (for backplane)

Operating Temperature
0C to 60C

Working Temperature
0C to 60C

Product Type
Programmable Controller CPU Unit

Input Voltage
5 VDC (typical), Supplied from chassis backplane

Voltage Protection
Internal protection circuitry

Material
Industrial-grade plastic and metal

Storage Temperature
-40C to 85C

Weight
Approx. 2.1 kg

Processor Type
Bipolar PROM based CPU

Programming Method
Ladder Logic

Mounting Type
Rack Mount

Communication Ports
Parallel backplane, I/O expansion ports

Dimensions (H x W x D)
Approx. 175 mm x 50 mm x 222 mm

Program Memory Capacity
Varies by submodel; up to 4K words

Model Number
1772-CPU

Status Indicators
LEDs for RUN, HALT, FAULT

Compatibility
Allen-Bradley PLC-2 Series Chassis

About ALLEN BRADLEY 1772 CPU

ALLEN BRADLEY 1772 CPU 1772-LXP D

Reliable Automation for Industrial Environments

The 1772-CPU delivers consistent performance in demanding settings, thanks to its rugged design and natural convection cooling. Its modular construction allows for flexible system expansion and hassle-free maintenance, making it ideal for process and machine control applications.

Flexible Memory and Programming Options

Offering program memory capacity up to 4K words, the 1772-CPU efficiently manages automation tasks tailored to your application. Ladder logic programming provides an intuitive development method, ensuring quick implementation and easy troubleshooting.

Diagnostic Features for Enhanced System Visibility

Equipped with LEDs for RUN, HALT, and FAULT, this CPU model makes system monitoring straightforward. Diagnostic indicators help minimize downtime and facilitate prompt response to system events, improving overall reliability in automation projects.

FAQs of ALLEN BRADLEY 1772 CPU:

Q: How do I install the ALLEN BRADLEY 1772-CPU into a PLC-2 Series chassis?

A: The 1772-CPU is designed for rack mounting using a card edge connector. Simply align the CPU with the chassis slot, ensure a secure fit, and connect to the parallel backplane for both communication and power supply.

Q: What are the main benefits of using a Bipolar PROM-based CPU like the 1772-CPU?

A: Bipolar PROM technology offers robust, non-volatile program memory retention. This ensures your automation programs remain intact even during power-offs, making it ideal for mission-critical industrial environments.

Q: When is it recommended to use the 1772-CPUs diagnostic indicators?

A: Monitor the RUN, HALT, and FAULT LEDs during system operation and troubleshooting. These indicators provide immediate feedback on system health, facilitating quick diagnostics and minimizing unplanned downtime.

Q: Where can I apply the 1772-CPU in an industrial automation project?

A: This CPU is suitable for varied process and machine control tasks across manufacturing, material handling, and other automated operations, particularly where reliable PLC performance and modular expansion are required.

Q: What programming method is used for the 1772-CPU, and what are its advantages?

A: The CPU is programmed using ladder logic, a graphic-based language widely used in industrial automation. Ladder logic allows for intuitive program development and streamlined troubleshooting, supporting quick project deployment.

Q: How does the ALLEN BRADLEY 1772-CPU ensure protection against voltage fluctuations?

A: It incorporates internal protection circuitry that guards against irregularities in the 5 VDC power supplied from the backplane, safeguarding the CPU and maintaining system reliability.

Q: What are the temperature ranges for operating and storage of the 1772-CPU?

A: The CPU operates effectively within 0C to 60C and can be stored safely in environments as cold as -40C up to 85C, demonstrating solid durability for industrial applications.

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